Date: Wed, 12 Sep 2001 16:05:56 +0200 From: Jeroen Heijungs <Jeroen.Heijungs@Het-Muziektheater.nl> To: freebsd-stable@FreeBSD.ORG Subject: Vlan configuration Message-ID: <200109121405.QAA10919@mail.hmth.nl>
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Hello list,
I am trying to set up a VLAN, but I don't get it working. I fear I am
overlooking something
very obvious, but well I am overlooking it. Maybe someone can help.
setup:
- 3Com switch 3300 defined as follows:
port1 VLAN2 untagged
port2 VLAN1 untagged and
VLAN2 tagged
- VLAN2 is a lighting network which mainly consists of a device that
broadcasts many packets
- the VLAN1 untagged port is for managing the switch from that port2
- server on port2: FreeBSD 4.4 RC#1 with fxp1 defined as follows:
ifconfig fxp1 inet 172.22.1.1 mask 255.255.0.0
ifconfig vlan0 vlan 2 vlandev fxp1
ifconfig vlan0 inet 172.22.2.1 mask 255.255.0.0
- I want to be able to manage the switch from port2, and participate in the
VLAN2 network port1
result:
- on device fxp1 I can see all packets coming from VLAN2 (with the
additional 802.1Q data)
- on device fxp1 I can also see all packets for VLAN1 (of course without
802.1Q data)
- on device vlan0 I can see all packets coming from VLAN2 (without the
additional 802.1Q data)
- I can manage the switch as desired, so I can send packets on the fxp1
interface
so far so good
BUT the VLAN2 traffic seems to be one-way, from the network to the server,
and not back
I cannot see the server (172.22.1.1 AND 172.22.2.1) from the network behind
port1,
I cannot ping or whatever, it seems that the VLAN can handle Incoming
packets, but not
Outgoing packets.
What have I done wrong here?
tia
Jeroen Heijungs
Het Muziektheater
Amsterdam, The Netherlands
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